Petee smith



(No Model.)

P. SMITH.

FIRE PROOF PARTITION.

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NrrE TATES PETER SMITH, on NEW YORK, N. Y.

FIRE-PROOF PARTITION.

SPECIFICATION forming part of Letters Patent No. 377,175, dated January 31, 1888.

(No model.)

To all whom, it may concern: and form proper bearing-surfaces for the edges Be it known that I, PETER SMITH, of New of flanges a. At the top and bottom, or at York city, New York, have invented a new either the top or bottom, the upright c enters and Improved Fire-Proof Partition, of which a crossshaped flange, d, projecting from the 5 the following is a specification. face of a plate, (I. The flange d is slotted, Fig. This invention relates to a fire-proof parti- 6, for the introduction of a key or wedge, 0. tion, floor, or ceiling of improved eonstruc- This wedge is forced under the foot (or over tion, and it consists in the various features of the top) of the upright c, and thus securely improvement, more fully pointed out in the clamps the upright in position. to claims. In Fig. 4 the mode of connecting two par- In the accompanying drawings, Figure 1 is titions joined at right angles is illustrated. avertical transverse section of apartition pro- Here L-shaped uprights f are used in lieu of vided with myimprovcment. Fig. 2 is aperthe cruciform uprights. In addition to the spective view of the superposed metal plates. uprights f, I employ staples g, the shanks of [5 Fig. 3 is a perspective view of the post or joist. which enter perforations in the two partitions, Fig. 4 is a horizontal section of two partitions and thus thepartitions are securely connected. joined at right angles. Fig. 5 is a top view of \Vhat I claim isthe flange-plate supporting the post. Fig. 6 l. The combination of U shaped plates a, is a side view thereof; and Fig. 7, a section on superposed in such a manner that their hori- 2o linew x, Fig. 5. zontal flanges project in opposite directions, The letters Ct at represent a series of metal and that such flanges overlap at the center plates of U-shaped form in crosssection. only, but are of single thickness at the ends, These plates are superposed in such a manner with an upright entering slots in the overthat the horizontal flanges a of the alternate lapped sections, substantially as specified. 25 plates project in opposite directions. The 2. The combination of U-shaped plates a,

flanges a overlap at the center only, so that overlapping one another, with a cruciform upsuch flanges are of double thickness at the cenright, 0, entering slots in such plates, substanter of the partition, but of single thickness tially as specified. near the faces of the partition. The ends of 3. The combination of U shaped plates a, 30 some or all of the flanges a are bent up to be overlapping one another,with post 0, and with more firmly grasped by the mortar I). the plate d, having slotted flange d, and with The overlapped sections of the flanges a. are wedge e, substantially as specified. slotted in a vertical line to receive one arm of t. The combination ofoverla'ppingUshaped a post or upright, c, which is of cross shapein plates a, having slotted horizontal flanges,with 7 35 horizontal section. The opposite arm of such the posts f, entering such slotted flanges, and upright c enters a corresponding slot in the with the staples g, substantially as specified. adjoining set of superposed plates a, Fig. 4, and thus as many sets of plates may be con- PETER SMITH nected as make up the desired length of par- YVitnesses: o tition. The two remaining arms of the up- F. V. BRIEsEN,

HENRY E. ROEDER.

right 0 separate adjoining sections of plates a 

